Ineanto
This happens because your plugin fails to find ProtocolLib's classes. Please verify your setup: 1. Check that ProtocolLib ([the lastest dev build if using MC 1.20.5+](https://ci.dmulloy2.net/job/ProtocolLib/lastSuccessfulBuild/artifact/build/libs/ProtocolLib.jar)) is present in your...
As far as I know, dev builds are __development builds__ for a reason: they're not stable. We'll have to wait.
Is there really an issue with ProtocolLib here? It clearly says it doesn't support reloading via ```/reload```. Don't come and complain when it spits out errors.